AP Summary

Author

Logan Piepmeier

Published

August 7, 2025

Pollutant Summaries

By Cohort

Data summary
Name	Piped data
Number of rows	554205912
Number of columns	5
_______________________
Column type frequency:
numeric	1
________________________
Group variables	poll, h_cohort

Variable type: numeric

skim_variable	poll	h_cohort	n_missing	complete_rate	mean	sd	p0	p25	p50	p75	p100
conc	no2	CHS	0	1.00	13.33	5.30	1.81	9.17	12.69	17.26	46.65
conc	no2	CMHS	0	1.00	9.84	3.97	0.74	7.02	9.50	12.28	40.52
conc	no2	HPFS	1221354	0.91	11.24	6.85	0.28	6.36	9.66	14.36	83.53
conc	no2	MESA	0	1.00	16.54	8.64	1.35	9.84	14.59	21.98	78.46
conc	no2	NHS	3562643	0.89	10.13	6.32	0.56	5.70	8.58	12.90	92.98
conc	no2	NHS2	3001147	0.92	10.42	6.41	0.43	6.05	8.89	12.94	90.92
conc	no2	REGARDS	0	1.00	8.16	4.92	0.55	4.57	6.93	10.33	48.12
conc	no2	RPGEH	0	1.00	8.72	3.34	0.69	6.35	8.56	10.88	39.74
conc	no2	SISTER	0	1.00	7.44	4.19	0.44	4.53	6.49	9.22	49.70
conc	no2	WHI_CT	0	1.00	11.97	6.42	0.66	7.29	10.78	15.27	85.23
conc	no2	WHI_OS	0	1.00	11.99	6.31	0.74	7.41	10.86	15.21	78.74
conc	o3	CHS	0	1.00	24.44	2.90	12.49	22.57	24.51	26.25	42.84
conc	o3	CMHS	0	1.00	24.25	3.48	10.45	21.93	23.73	25.82	51.93
conc	o3	HPFS	1221354	0.91	25.80	3.96	7.72	23.54	25.87	28.10	55.53
conc	o3	MESA	0	1.00	22.65	3.98	3.84	19.76	22.91	25.67	46.43
conc	o3	NHS	3562643	0.89	26.20	3.36	0.00	24.26	26.22	28.15	60.41
conc	o3	NHS2	3001147	0.92	26.44	3.46	10.18	24.50	26.56	28.49	92.49
conc	o3	REGARDS	0	1.00	26.27	2.93	5.12	24.71	26.29	27.91	49.19
conc	o3	RPGEH	0	1.00	24.65	3.45	9.65	22.27	24.02	26.23	62.25
conc	o3	SISTER	0	1.00	27.44	3.56	9.28	25.51	27.31	29.26	49.54
conc	o3	WHI_CT	0	1.00	25.07	3.83	9.30	22.87	25.34	27.43	58.24
conc	o3	WHI_OS	0	1.00	25.13	3.79	9.18	22.96	25.37	27.43	49.57
conc	pm25	CHS	423993	0.43	12.33	2.74	2.86	10.17	13.05	14.40	25.32
conc	pm25	CMHS	1340847	0.85	8.51	2.10	1.92	7.24	8.41	9.76	26.11
conc	pm25	HPFS	6220003	0.52	9.99	2.91	1.84	8.01	9.73	11.90	28.70
conc	pm25	MESA	208889	0.86	12.39	3.52	3.14	9.70	11.82	14.40	28.92
conc	pm25	NHS	14944651	0.54	9.98	2.78	1.87	8.02	9.68	11.84	29.59
conc	pm25	NHS2	15247427	0.58	10.34	2.73	1.85	8.49	10.14	12.20	29.54
conc	pm25	REGARDS	444651	0.89	10.30	2.33	1.91	8.63	10.10	11.92	24.81
conc	pm25	RPGEH	10667661	0.80	7.93	1.78	1.97	6.89	7.94	8.94	21.18
conc	pm25	SISTER	1348302	0.82	8.64	2.24	1.77	7.12	8.58	10.05	22.97
conc	pm25	WHI_CT	3829654	0.68	10.34	3.03	2.09	8.23	9.98	12.31	28.94
conc	pm25	WHI_OS	4795140	0.68	10.39	3.00	1.80	8.29	10.06	12.36	28.79

Overall

Data summary
Name	Piped data
Number of rows	554205912
Number of columns	5
_______________________
Column type frequency:
numeric	1
________________________
Group variables	poll

Variable type: numeric

skim_variable	poll	n_missing	complete_rate	mean	sd	p0	p25	p50	p75	p100
conc	no2	7785144	0.96	10.02	5.64	0.28	6.2	8.92	12.38	92.98
conc	o3	7785144	0.96	25.50	3.64	0.00	23.1	25.42	27.64	92.49
conc	pm25	59471218	0.68	9.29	2.71	1.77	7.5	8.89	10.79	29.59

Correlations

By Cohort

# A tibble: 11 × 7
   h_cohort o3_no2 no2_o3 pm25_no2 no2_pm25 pm25_o3 o3_pm25
   <chr>     <dbl>  <dbl>    <dbl>    <dbl>   <dbl>   <dbl>
 1 CHS       0.582  0.582    0.278    0.278  0.128   0.128 
 2 CMHS      0.353  0.353    0.513    0.513  0.0791  0.0791
 3 HPFS      0.399  0.399    0.313    0.313  0.126   0.126 
 4 MESA      0.724  0.724    0.549    0.549  0.356   0.356 
 5 NHS       0.403  0.403    0.238    0.238  0.113   0.113 
 6 NHS2      0.435  0.435    0.301    0.301  0.124   0.124 
 7 REGARDS   0.354  0.354    0.240    0.240  0.0743  0.0743
 8 RPGEH     0.253  0.253    0.452    0.452  0.0318  0.0318
 9 SISTER    0.198  0.198    0.180    0.180  0.0519  0.0519
10 WHI_CT    0.396  0.396    0.343    0.343  0.0825  0.0825
11 WHI_OS    0.389  0.389    0.344    0.344  0.0867  0.0867

Overall

     o3_no2    no2_o3  pm25_no2  no2_pm25    pm25_o3    o3_pm25
1 0.3104823 0.3104823 0.2939706 0.2939706 0.02511229 0.02511229